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The Mama Do singer was snapped by a passer by who saw the proposal unfold outside St Paul's Cathedral in London.
It seems like 2016 has been a year full of celeb break ups, so its a nice change to see a star studded couple all loved up!
The most recent celeb to say yes is 25-year-old singer Pixie Lott whose hubby-to-be you might recognise as Oliver Cheshire from M&S adverts.
The star announced the news on Instagram sharing a photo of her and her beau before posting an image of her new sparkler appeared, confirming that they are engaged.
With St Paul's Cathedral and the sun setting over London, it looked like the ultimate romantic backdrop.
It was also revealed by her fiancé on social media that some of the singer's fans may have found out about the engagement before it was announced, witnessing it first hand as they saw the pair hop out of a cab before Oliver got down on one knee.
It looks from the photos that Pixie was a bit emotional! But who wouldn't be?!